Finding the Fourth Proportional to 808,831.10, 1,213,246.65 and 622,207.10
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Solution
The fourth proportional to 808,831.10, 1,213,246.65 and 622,207.10 is: 933,310.65
Step by Step Solution
- Step 1: Write the proportion equation
808,831.10 : 1,213,246.65 = 622,207.10 : x - Step 2: Convert to fraction form
808,831.10/1,213,246.65 = 622,207.10/x - Step 3: Cross multiply
808,831.10x = 1,213,246.65 × 622,207.10 - Step 4: Simplify right side
808,831.10x = 754,890,679,681.22 - Step 5: Solve for x
x = 754,890,679,681.22/808,831.10 - Step 6: Final answer
x = 933,310.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.